<template>
    <el-form size="large" class="login-content-form" :model="state.ruleForm" :rules="state.rules" label-position="top"
        @submit.native.prevent>
        <el-form-item class="login-animation1" prop="username">
            <el-input text :placeholder="$t('message.account.accountPlaceholder1')" v-model="state.ruleForm.username"
                clearable autocomplete="off" @input="onVerifyCnAndSpace($event)" :autofocus="true">
                <template #prefix>
                    <el-icon class="el-input__icon">
                        <ele-User />
                    </el-icon>
                </template>
            </el-input>
        </el-form-item>
        <el-form-item class="login-animation2" prop="password">
            <el-input :type="state.isShowPassword ? 'text' : 'password'" @input="onVerifyPassword($event)"
                :placeholder="$t('message.account.accountPlaceholder2')" v-model="state.ruleForm.password"
                autocomplete="off">
                <template #prefix>
                    <el-icon class="el-input__icon">
                        <ele-Unlock />
                    </el-icon>
                </template>
                <template #suffix>
                    <i class="iconfont el-input__icon login-content-password"
                        :class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
                        @click="state.isShowPassword = !state.isShowPassword">
                    </i>
                </template>
            </el-input>
        </el-form-item>
        <el-form-item class="login-animation3" prop="code">
            <el-col :span="15">
                <el-input text maxlength="4" :placeholder="$t('message.account.accountPlaceholder3')"
                    v-model="state.ruleForm.code" clearable autocomplete="off">
                    <template #prefix>
                        <el-icon class="el-input__icon">
                            <ele-Position />
                        </el-icon>
                    </template>
                </el-input>
            </el-col>
            <el-col :span="1"></el-col>
            <el-col :span="8">
                <el-button class="login-content-code" @click="onGetCode()">
                    <img :src="state.CodeImg" alt="验证码" />
                </el-button>
            </el-col>
        </el-form-item>
        <el-form-item class="login-animation4">
            <el-button type="primary" native-type="submit" class="login-content-submit" round v-waves @click="onSignIn"
                :loading="state.loading.signIn">
                <span>{{ $t('message.account.accountBtnText') }}</span>
            </el-button>
        </el-form-item>
    </el-form>
</template>

<script setup lang="ts" name="loginAccount">
import { computed, reactive } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { useI18n } from 'vue-i18n';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';
import { verifyCnAndSpace, } from '/@/utils/toolsValidate';
import { useLoginApi } from '/@/api/login';

// 定义变量内容
const { t } = useI18n();
const route = useRoute();
const router = useRouter();
const state = reactive({
    isShowPassword: false,
    CodeImg: "",
    CodeI: 0,
    ruleForm: {
		username: 'test123',
		password: '123456',
        code: '',
        uuid: '',
    },
    loading: {
        signIn: false,
    },
    rules: {
        username: [
            { required: true, message: t('message.account.accountPlaceholder1'), trigger: 'blur' },
            { min: 4, max: 20, message: t('message.account.accountPlaceholder1'), trigger: 'blur' },
        ],
        password: [
            { required: true, message: t('message.account.accountPlaceholder2'), trigger: 'blur' },
            { min: 5, max: 20, message: t('message.account.accountPlaceholder2'), trigger: 'blur' },
        ],
        cathcode: [
            { required: true, message: t('message.account.accountPlaceholder3'), trigger: 'blur' },
            { min: 1, max: 8, message: t('message.account.accountPlaceholder3'), trigger: 'blur' },
        ],
    },
});

// 去掉中文及空格
const onVerifyCnAndSpace = (val: string) => {
    state.ruleForm.username = verifyCnAndSpace(val);
};
const onVerifyPassword = (val: string) => {
    state.ruleForm.password = verifyCnAndSpace(val);
};


//获取验证码
const onGetCode = async () => {
    if (state.CodeI > 5) {
        ElMessage.error("冷却10秒");
        setTimeout(() => {
            state.CodeI = 0;
        }, 10000);
        return;
    }
    state.CodeI++;
    useLoginApi().getCodeImg().then(async (res) => {
        state.CodeImg = "data:image/png;base64," + res.data.img;
        state.ruleForm.uuid = res.data.uuid;
    });
}
onGetCode();

// 时间获取
const currentTime = computed(() => {
    return formatAxis(new Date());
});


// 登录
const onSignIn = async () => {
    state.loading.signIn = true;// 开启登录按钮 loading 状态
    useLoginApi().signIn(state.ruleForm).then(async (res) => {
        if (res.code != 200) {
            onGetCode();
            ElMessage.error(res.msg);
            return;
        }
        Session.setToken(res.data.token);
        const isNoPower = await initBackEndControlRoutes();
        signInSuccess(isNoPower);
    }).catch((err) => {
        ElMessage.error(err);
    }).finally(() => {
        state.loading.signIn = false;// 关闭登录按钮 loading 状态
    });

};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
    if (isNoPower) {
        ElMessage.warning('抱歉，您没有登录权限');
        Session.clear();
    } else {
        // 初始化登录成功时间问候语
        let currentTimeInfo = currentTime.value;
        // 登录成功，跳到转首页
        // 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
        if (route.query?.redirect) {
            router.push({
                path: <string>route.query?.redirect,
                query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
            });
        } else {
            router.push('/');
        }
        // 登录成功提示
        const signInText = t('message.signInText');
        ElMessage.success(`${currentTimeInfo}，${signInText}`);
        NextLoading.start();// 添加 loading，防止第一次进入界面时出现短暂空白
    }
    state.loading.signIn = false;
};

</script>

<style scoped lang="scss">
.login-content-form {
    margin-top: 20px;

    @for $i from 1 through 4 {
        .login-animation#{$i} {
            opacity: 0;
            animation-name: error-num;
            animation-duration: 0.5s;
            animation-fill-mode: forwards;
            animation-delay: calc($i/10) + s;
        }
    }

    .login-content-password {
        display: inline-block;
        width: 20px;
        cursor: pointer;

        &:hover {
            color: #909399;
        }
    }

    .login-content-code {
        width: 100%;
        padding: 4px;
        height: 100%;

        img {
            margin: 0;
            font-weight: bold;
            letter-spacing: 5px;
            width: 100%;
            height: 100%;
        }
    }

    .login-content-submit {
        width: 100%;
        letter-spacing: 2px;
        font-weight: 300;
        margin-top: 15px;
    }
}

.login-content-form {
    :deep(.el-form-item--small.el-form-item) {
        margin-bottom: 0 !important;
    }

    .login-content-form-msg {
        color: #666666;
        font-size: 14px;
        width: 100%;

        .login-content-form-msg-red {
            color: red;
        }
    }

    .login-content-form-msg+div {
        width: 100%;
    }
}
</style>
